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		<title></title>
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			h4::first-letter {
				color: #f00000;
				font-size: 36px;
			}

			p::first-line {
				color: #ff0000;
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			p::selection {
				background: yellow;
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	<body>
		<h4>小美装修公司介绍</h4>
		<p>人民美好生活</p>
	</body>
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